Keith Kellogg said that the proposals are still in development during one meeting with U.S. allies, according to Semafor.

FILE PHOTO: U.S. President-elect Donald Trump and Ukrainian President Volodymyr Zelenskiy shake hands inside the Notre-Dame ...

Vladimir Putin digs in over Ukraine peace deal demands after talks with Donald Trump - The Russian president is also trying ...

Poland holds a special position among Kyiv's partners — with a shared history of Russian oppression and conquest, its leaders ...